Kingdutch

// THE GOAL
// Write $('ul').on('click', 'a', fn); in JavaScript
// Must support old IE (so no Selectors API (matchesSelector) or anything)
// Can you shorten this?

var addEvent = (window.addEventListener ? 
        function (el, ev, fn) {
            el.addEventListener(ev, fn, false); 
        } : 
        function (el, ev, fn) {